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The goal of this observational study is to determine the prevalence of asthma and chronic obstructive pulmonary disease (COPD) among workers in an industrial zone in Thailand.
The main question the study aims to answer is:
What is the prevalence of asthma and COPD among workers in Thailand? Participants will complete a questionnaire on respiratory symptoms and undergo pulmonary function testing.
Full description
This study is a cross-sectional study. The study aims to determine the prevalence of asthma and COPD among workers in the Navanakorn Industrial Zone, Thailand. Thai subjects aged 18 years or older are included in the study.
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310 participants in 1 patient group
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Central trial contact
Apiwat Pugongchai, MSc; Narongkorn Saiphoklang, MD
Data sourced from clinicaltrials.gov
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